### Home > CCA2 > Chapter 7 > Lesson 7.1.7 > Problem7-111

7-111.

Given that $log_{x} 2 = a$, $log_{x} 5 = b$, and $log_{x} 7 = c$, write expressions using $a,b,\ \text{and/or}\ c$ for each log expression below.

1. $\log_x10$

See problem 7-39.

1. $\log_x49$

$2c$

1. $\log_{x} 50$

1. $\log_x56$

$3a + c$